diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index e80bc24..8a642c2 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -21,7 +21,7 @@ jobs:
         distribution: 'zulu'
             
     - name: Cache local Maven repository
-      uses: actions/cache@v2.1.6
+      uses: actions/cache@v3
       with:
         path: ~/.m2/
         key: ${{ runner.os }}-maven-${{ hashFiles('pom.xml') }} 
@@ -29,5 +29,7 @@ jobs:
     - name: Build with Maven
       run: mvn clean verify
 
-    - name: Upload codecov report
-      uses: codecov/codecov-action@v1.5.2
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v5
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/src/main/java/br/ufsc/bridge/platform/validation/rules/CnsRule.java b/src/main/java/br/ufsc/bridge/platform/validation/rules/CnsRule.java
index f95a6ce..8045531 100644
--- a/src/main/java/br/ufsc/bridge/platform/validation/rules/CnsRule.java
+++ b/src/main/java/br/ufsc/bridge/platform/validation/rules/CnsRule.java
@@ -6,7 +6,7 @@
 public class CnsRule implements Rule<String> {
 
 	private final static String CNS1 = "^[1-2][0-9]{10}00[0-1][0-9]$";
-	private final static String CNS2 = "^[7-9][0-9]{14}$";
+	private final static String CNS2 = "^[57-9][0-9]{14}$";
 
 	@Override public String validate(String value) {
 		if (!Util.isEmpty(value) && !this.isValid(value)) {
diff --git a/src/main/script/rules/cns.ts b/src/main/script/rules/cns.ts
index 95f7593..cbfc70c 100644
--- a/src/main/script/rules/cns.ts
+++ b/src/main/script/rules/cns.ts
@@ -3,7 +3,7 @@ import { msg } from '..'
 import { length } from './length'
 
 const CNS1 = '^[1-2][0-9]{10}00[0-1][0-9]$'
-const CNS2 = '^[7-9][0-9]{14}$'
+const CNS2 = '^[57-9][0-9]{14}$'
 
 function somaPonderada(cnsValue: string) {
     let soma = 0
diff --git a/src/test/java/br/ufsc/bridge/platform/validation/rules/CnsTest.java b/src/test/java/br/ufsc/bridge/platform/validation/rules/CnsTest.java
index 7fb355c..35eebc7 100644
--- a/src/test/java/br/ufsc/bridge/platform/validation/rules/CnsTest.java
+++ b/src/test/java/br/ufsc/bridge/platform/validation/rules/CnsTest.java
@@ -18,6 +18,8 @@ public void testarRequired() {
 	public void testarValorDeCns() {
 		Assert.assertNull("975055825130003 é um Cns válido", this.validate("975055825130003", Rules.cns));
 
+		Assert.assertNull("586309087428878 é um Cns válido", this.validate("586309087428878", Rules.cns));
+
 		Assert.assertNull("118725165660004 é um Cns válido", this.validate("118725165660004", Rules.cns));
 
 		Assert.assertNull("218342347130008 é um Cns válido", this.validate("218342347130008", Rules.cns));
@@ -30,6 +32,8 @@ public void testarValorDeCns() {
 
 		Assert.assertNotNull("O Cns é invalido", this.validate("109878998754646", Rules.cns));
 
+		Assert.assertNotNull("O Cns é invalido", this.validate("594516874912612", Rules.cns));
+
 		Assert.assertNotNull("O Cns é invalido", this.validate("236951545487965", Rules.cns));
 
 		Assert.assertNotNull("O Cns é invalido", this.validate("478976532213336", Rules.cns));
@@ -46,8 +50,6 @@ public void testarValorDeCns() {
 
 		Assert.assertNotNull("O Cns não pode comeaçar com 4", this.validate("431439904710009", Rules.cns));
 
-		Assert.assertNotNull("O Cns não pode comeaçar com 5", this.validate("562593396660002", Rules.cns));
-
 		Assert.assertNotNull("O Cns não pode comeaçar com 6", this.validate("667429114440003", Rules.cns));
 
 		Assert.assertNotNull("111111111111111 não é um Cns válido", this.validate("111111111111111", Rules.cns));